/*
 * The MIT License
 * 
 * Copyright (c) 2011 Takahiro Hashimoto
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package com.taobao.top.link.embedded.websocket.frame.draft76;

import java.nio.ByteBuffer;

import com.taobao.top.link.embedded.websocket.frame.FrameHeader;

/**
 * The Class FrameHeaderDraft76.
 *
 * @author Takahiro Hashimoto
 */
public class FrameHeaderDraft76 implements FrameHeader {

  /** The contents length. */
  protected final long bodyLength;

  /** The frame type. */
  protected byte       frameType;

  /** The header length. */
  protected final int  headerLength = 1;

  /**
   * Instantiates a new frame header draft76.
   *
   * @param frameType
   *          the frame type
   * @param payloadLength
   *          the payload length
   */
  public FrameHeaderDraft76(byte frameType, long payloadLength) {
    this.bodyLength = payloadLength;
    this.frameType = frameType;
  }

  /*
   * (non-Javadoc)
   * 
   * @see jp.a840.websocket.frame.FrameHeader#getFrameLength()
   */
  public long getFrameLength() {
    return headerLength + bodyLength;
  }

  /**
   * Gets the header length.
   *
   * @return the header length
   */
  public int getHeaderLength() {
    return headerLength;
  }

  /*
   * (non-Javadoc)
   * 
   * @see jp.a840.websocket.frame.FrameHeader#getContentsLength()
   */
  public long getContentsLength() {
    return bodyLength;
  }

  /**
   * Gets the frame type.
   *
   * @return the frame type
   */
  public byte getFrameType() {
    return frameType;
  }

  /*
   * (non-Javadoc)
   * 
   * @see jp.a840.websocket.frame.FrameHeader#toByteBuffer()
   */
  public ByteBuffer toByteBuffer() {
    ByteBuffer buf = ByteBuffer.allocate(1);
    buf.put(frameType);
    buf.flip();
    return buf;
  }
}
